Internet Outsourcing

What are the legal documents must be covered to legalize an outsourcing U.S. to India?

Hello. We ra small software companies and India will get our first development project outsourced from the United States. What are the legal documents must be completed and signed by representatives of both parties, that puts us in a safe position or atleast the other company, we can not continue Once the software has been designed for your satisfaction and shipped. All links web pages or electronic documents online sample would greatly appreciated. Thank you

http://forums.helpmeoutsource.com saw a very specific discussion on this topic